Psychic Defense. While the githzerai is wearing no armor and wielding no shield, its AC includes its Wisdom modifier.

Spellcasting (Psionics). The githzerai casts one of the following spells, requiring no spell components and using Wisdom as the spellcasting ability (spell save DC 15):

At will: dispel magic, levitate (self only), mage hand (the hand is invisible), see invisibility

1/day each: plane shift (self only), scrying (as an action), slow, telekinesis

Multiattack. The githzerai makes three Unarmed Strike or Psychic Bolt attacks.

Unarmed Strike. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit:12 (2d8 + 3) bludgeoning damage plus 11 (2d10) psychic damage.

Psychic Bolt. Ranged Spell Attack: +7 to hit, range 60 ft., one creature. Hit:21 (4d8 + 3) psychic damage.

Future Insight (3/Day). When the githzerai or a creature it can see makes an attack roll, a saving throw, or an ability check, the githzerai can cause the roll to be made with advantage or disadvantage.